N-Dansyl-L-phenylalanine CAS 1104-36-5
| CAS No. | 1104-36-5 |
| Molecular Formula | C21H22N2O4S |
| Molecular Weight | 398.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures N-Dansyl-L-phenylalanine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
N-Dansyl-L-phenylalanine (CAS 1104-36-5) is a high-purity analytical reference standard with the molecular formula C21H22N2O4S and a molecular weight of 398.48 g/mol.
Based on its molecular formula C21H22N2O4S, N-Dansyl-L-phenylalanine contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 398.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H22N2O4S |
| Molecular Weight | 398.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
- Dansyl-DL-phenylalanine cyclohexylammonium salt (CAS 42808-06-0)
- N-Dansyl-D-phenylalanine (CAS 56176-31-9)
- Dansyl-L-citrulline (CAS 74672-25-6)
- Dansyl-DL-methionine cyclohexylammonium salt (CAS 42808-13-9)
- Dansyl-d-ala-gly (CAS 92175-75-2)
- N-Dansyl-1-(2-methoxyphenyl)piperazine (CAS 439935-18-9)
- Dansyl-L-asparagine (CAS 1100-23-8)
- Dansyl-L-isoleucine (CAS 1100-21-6)
Recommended Standards
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- Tris-(2-Butoxyethyl)Phosphate (CAS 78-51-3)
- 2-[(5-{1-[(4-Methoxyphenyl)amino]ethyl}-4-phenyl-4H-1,2,4-triazol-3-yl)thio]acetohydrazide (CAS 1306739-37-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com